403004680 has 64 divisors (see below), whose sum is σ = 983813040. Its totient is φ = 147689472.

The previous prime is 403004647. The next prime is 403004683. The reversal of 403004680 is 86400304.

It can be written as a sum of positive squares in 8 ways, for example, as 42536484 + 360468196 = 6522^2 + 18986^2 .

It is not an unprimeable number, because it can be changed into a prime (403004683) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68412 + ... + 74068.

Almost surely, 2^403004680 is an apocalyptic number.

403004680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 403004680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (491906520).

403004680 is an abundant number, since it is smaller than the sum of its proper divisors (580808360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

403004680 is a wasteful number, since it uses less digits than its factorization.

403004680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5818 (or 5814 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 403004680 is about 20074.9764632490. The cubic root of 403004680 is about 738.6465887853.

Adding to 403004680 its reverse (86400304), we get a palindrome (489404984).

The spelling of 403004680 in words is "four hundred three million, four thousand, six hundred eighty".